fountain pen是什么意思

用法例句

Analysis on organic pollutants of tap water in Kunming city;

自来水有机污染物检测分析

Simultaneous Determination of Lead and Cadmium in Tap Water after Pre-Concentration Using Quartz Sub-Boiling Distiller by Flame Atomic Absorption Spectrometry;

石英亚沸蒸馏器蒸馏浓缩富集FAAS法同时测定自来水中的铅和镉

Measurement and evaluation of organic pollutants in tap water;

自来水中有机污染物的检测及评价

Mutual influences of different pipes and static drinking water;

不同管材水管与静态自来水水质间的相互影响

Experiment on drinking water treatment by combination of ultrafiltration and coagulation using Taihu Lake water as raw water was carried out.

采用混凝+超滤联用技术以苏州太湖水为原水进行制备自来水的实验。

A lot of studies show that there are a great of genotoxic substances in drinking water.

本研究应用SOS/Umu生物毒性测试评价了北方某市一自来水厂的A、B、C、D 4套试验工艺在不同的季节(冬春两季)各工艺段出水的遗传毒性效应。